Ticket #3097: this may be needed, maybe not, to prevent colors changing by formulas not intended to show on screen

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24053 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Google Api Gui restructuring and skydrive login test

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24054 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fixed NPE in Touch

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24055 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e